A 5.0 kg book is held 1.0 m above the floor for 50 sec. The work done on the book is ?
Q: 1. A student of mass 40 kg caries a bag weighing 5000g from the ground floor to his class on the…
A: Work done by boy W= mgh Given that m= 5kg h= 0.7m
Q: In the figure, the rock weighs 130 lb and is lifted 1 ft by the lever. F Fulcrum 3F 3d (a) How much…
A: Given data: a)Force F=130lb Distance d=1 ft b) Distance d=3 ft
Q: A 5.0 kg book is held 1.0 m above the floor for 50 sec. The work done on the book is ?
A:
Q: A force of 30.0 N is required to push a 20.0 Kg mass 2.00 m across the floor. The mass is then…
A: Data provided: Horizontal force (F) = 30.0 N m = 20.0 kg Horizontal displacement (d) = 2.00 m…
Q: You attempt to lift a 1200 N barbell for 10 min, excreting a 1200 N force, but won't move. How much…
A: Required : Amount of work done.
Q: A car of mass 1500 kg is initially travelling at a speed of 12 m/s. The driver then accelerates to a…
A: Mass of the car, Initial speed of the car, Final speed of the car, Distance traveled,
Q: A 150 g baseball is thrown so it acquired a speed of 20 m/s. Calculate the work done to make it…
A: Mass of baseball (m)=150 g=0.15 kg Speed of baseball after it is thrown (v)=20 m/s
Q: A rope is making an angle 60° drags a 5 kg tool box to a horizontal distance 13 meters. The tension…
A:
Q: How much work is done lifting a 100 N barbell vertically 0.5 m?
A: The workdone in lifting a 100 N barbell vertically 0.5 m. given,Force(F)=100 Nheight(h) moved=0.5 m
Q: A 39 kg child is jumping on a trampoline with a spring constant of 4700 N/m. On a particular jump,…
A: solution: Apply the conservation of energy for this motion. At the maximum height, the speed becomes…
Q: A force of 20 N acts on a body and moves it through a distance of 5 m in the direction of force.…
A: Given data: Force (F) = 20 N Distance (d) = 5 m Angle between force and displacement (θ) = 0°…
Q: A 5.7 kg box is pushed sideways with a force whose magnitude is 191 N. When the box has slid 0.5 m,…
A: Mass of the box, Magnitude of the force, Displacement of the box, The work done by the push is…
Q: The work is done by this force as the box moves 6.0 m is
A: Given data: The box's mass is: m = 12 kg The force at an angle is: F = 15 N The angle made by force…
Q: How much work is done by a person lifting a 4.1 kg object from the bottom of a well at a contact…
A: Given Data: The mass of an object is, m=4.1 kg The contact speed is, v=2.2 m/s The time required for…
Q: An box with mass of 2kg is pulled from the bottom of a 30 deg ramp to the top, a distance of 3…
A: Here the mass of a box = m = 2kg the angle of ramp above the horizontal = θ= 30othe distance…
Q: If the difference in kinetic energy is 0.22 J, what is the work done? ( Initial kinetic energy is…
A: Given data The initial kinetic energy is given as KEi = 0.17 J. The final kinetic energy is given…
Q: Tigure, weighs lever. F Fulcrum 3F 3d (a) How much work is done? ft-lb (b) The other end of the…
A: Given data: Mass of the rock m =200 lb Displacement d= 1ft
Q: A 7.8 kg box is pushed sideways with a force whose magnitude is 353 N. When the box has slid 0.2 m,…
A: Given Mass of the box = 7.8 kg Force applied = F = 353 N Displacement = d = 0.2 m We have to…
Q: Catching a wave, a 77-kg surfer starts with a speed of 1.1 m/s, drops through a height of 1.50m, and…
A: Given Data: The mass of the surfer is: m=77 kg The initial speed of the surfer is: u=1.1 m/s The…
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- You push your much-loved 3-kg physics book 1.29 m along a horizontal table top with a horizontal force of 2.72 N against a frictional force of 0.65 N. What is the total work in J done on the book? Give your answer to 2 decimal place.A 235 kg crate is sliding down a 66 degree inclined plane and moved a horizontal distance of 57.6 m. The work done by gravity is?you become angry with physics and throw your 1kg book across the room. If the speed of the book after it leaves your hand is 30 m/s, how much work did you do on the book? Assume the height of the book doesnt change.
- A 1168 kg car rolls a distance of 5.79 m downward along a slope that makes an angle of 30.0∘ with the horizontal. The work done by the force of gravity isA 1000 kg sports car is initially traveling at 5 m/s . The driver then applies the brakes for several seconds so that 25 of net work is done on the car. Calculate the initial and final kinetic energy of the car.A 51 kg boy on a skate board traveling to the east with a speed of 9.9 m/s. After crossing a gravel area, his speed decreases to 1.7 m/s. Calculate the net work in joules done to the boy.